(1) Suppose you lift a stone that has a mass of 5.6 kilograms off the floor onto a shelf that is 1.5 meters high. How much work have you done? (Note: Joule=Nm (newton meters), 1kg is 9.8 N). Joules Preview (2) Suppose you lift a laptop that weighs 5.4 pounds off the floor onto a shelf that is 2 feet high. How much work have you done? foot-pounds Preview (3) The force on a particle is described by 3x° + 1 pounds at a point x feet along the x- axis. Find the work done in moving the particle from the origin to x = 2. foot-pounds Preview

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Q: Q1 = 60 Q3 = 100, what is the SIQR?

A: Formula for semi interquatile range is SIQR = (Q3-Q1)/2